Using Under Armour's 10-K for the year ending December 31, 2021 (https://www.sec.gov/Archives/edgar/data/1336917/000133691722000010/ua-20211231.htm):

Again consider the 1.5% Convertible Senior Notes where some of the Convertible Senior Notes issued in May 2020. In May 2021, Under Armour entered into exchange agreements with certain holders of the were exchanged for cash and/or shares of the Company's Class C Common Stock, plus payment for accrued and unpaid interest (the "First Exchange"). In August 2021, the Company entered into additional exchange agreements with certain holders of the Convertible Senior Notes (the "second exchanging holders"). In connection with the Exchanges, the Company recognized a loss on debt extinguishment.

What was the total amount of the cash payment Under Armour made to extinguish, or early retire, some of the 1.5% Convertible Senior Notes originally due 2024?

a) $58,526

b) $500,000

c) $506,280

d) $800,000